A Chemistry Student Determined the Empirical Formula for Tungsten Oxide

question 170

Multiple Choice

A chemistry student determined the empirical formula for tungsten oxide (W_xO_y) . To do so, he heated tungsten with oxygen in a crucible. The data that he recorded are shown below: $\begin{array}{lr}\text { Weight of crucible } & 11.120 \mathrm{~g} \\\text { Weight of tungsten } & 8.820 \mathrm{~g} \\\text { Weight of crucible and product } & 22.998 \mathrm{~g}\end{array}$ What is the empirical formula of tungsten oxide

• A) W₂O₃
• B) WO₃
• C) WO₂
• D) WO₄
• E) None of the above

---

Definitions:

Imperial Gallery

A term that may refer to a prominent gallery within an imperial setting, showcasing art collections connected to royalty or empire, though not a specific institution.

Ottonian Empire

A period in medieval Germany, roughly from 919 to 1024, characterized by the reign of the Ottonian dynasty which was noted for its consolidation of the kingdom and significant contributions to art and architecture.

Monasteries

Religious communities where monks or nuns live, work, and worship, often secluded from secular society and dedicating their lives to religious practice.

Gospel Book of Otto III

A medieval illuminated manuscript, richly decorated, which depicts the Gospel. It is associated with Emperor Otto III.